What is the keyboard-shortcut that expands the menu, from the little red line, and offers the option to have the necessary using statement appended to the top of the file?
Visual Studio keyboard-shortcut for automatically adding the 'using' statement
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Ctrl + . shows the menu. I find this easier to type than the alternative, Alt + Shift + F10.
This can be re-bound to something more familiar by going to Tools > Options > Environment > Keyboard > Visual C# > View.QuickActions
I can highly recommend checking out the Visual Studio plugin ReSharper. It has a QuickFix feature that does the same (and a lot more).
But ReSharper doesn't require the cursor to be located on the actual code that requires a new namespace. Say, you copy/paste some code into the source file, and just a few clicks of Alt + Enter, and all the required usings are included.
Oh, and it also makes sure that the required assembly reference is added to your project. Say for example, you create a new project containing NUnit unit tests. The first class you write, you add the [TestFixture] attribute. If you already have one project in your solution that references the NUnit DLL file, then ReSharper is able to see that the TestFixtureAttribute comes from that DLL file, so it will automatically add that assembly reference to your new project.
And it also adds required namespaces for extension methods. At least the ReSharper version 5 beta does. I'm pretty sure that Visual Studio's built-in resolve function doesn't do that.
On the down side, it's a commercial product, so you have to pay for it. But if you work with software commercially, the gained productivity (the plug in does a lot of other cool stuff) outweighs the price tag.
Yes, I'm a fan ;)
- Context Menu key (one one with the menu on it, next to the right Windows key)
- Then choose "Resolve" from the menu. That can be done by pressing "s".
It's ctrl + . when, for example, you try to type List you need to type < at the end and press ctrl + . for it to work.
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